io.shardingsphere.core.parsing.parser.clause

Class WhereClauseParser

java.lang.Object

io.shardingsphere.core.parsing.parser.clause.WhereClauseParser

All Implemented Interfaces:

SQLClauseParser

Direct Known Subclasses:

MySQLWhereClauseParser, OracleWhereClauseParser, SQLServerWhereClauseParser

public class WhereClauseParser
extends Object
implements SQLClauseParser

Where clause parser.

Author:

zhangliang, maxiaoguang

Constructor Summary

Constructors

Constructor and Description
WhereClauseParser(DatabaseType databaseType, LexerEngine lexerEngine)

Method Summary

Modifier and Type	Method and Description
protected Keyword[]	getCustomizedOtherConditionOperators()
protected boolean	isRowNumberCondition(List<SelectItem> items, String columnLabel)
void	parse(ShardingRule shardingRule, SQLStatement sqlStatement, List<SelectItem> items) Parse where.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WhereClauseParser

public WhereClauseParser(DatabaseType databaseType,
                         LexerEngine lexerEngine)

Method Detail

parse

public void parse(ShardingRule shardingRule,
                  SQLStatement sqlStatement,
                  List<SelectItem> items)

Parse where.

Parameters:

shardingRule - databases and tables sharding rule

sqlStatement - SQL statement

items - select items

isRowNumberCondition

protected boolean isRowNumberCondition(List<SelectItem> items,
                                       String columnLabel)

getCustomizedOtherConditionOperators

protected Keyword[] getCustomizedOtherConditionOperators()